This right hand read reaches drivers traveling southbound on I-170 just north of the St. Charles Rock Road exit. Commuters could include residents from St. Charles County, North St. Louis County and Mid-St. Louis County, as well as anyone traveling south from I-70 and Lambert-St. Louis International Airport. This sign will also be seen when traveling toward one of the most affluent residential and business districts in the area- Clayton, Missouri. Employers nearby include Boeing, Enterprise Holdings, Dr. Pepper Snapple Group, Express Scripts and The University of Missouri St. Louis. I-170 also provides travelers with direct access to the St. Louis Galleria shopping mall. I-170 is one of the main connector arteries in St. Louis providing access to University City, Clayton, Brentwood, Midtown and I-70 to access Lambert International airport. It is most heavily traveled by local St. Louis residents.